FR2416914B1 - - Google Patents
Info
- Publication number
- FR2416914B1 FR2416914B1 FR7903352A FR7903352A FR2416914B1 FR 2416914 B1 FR2416914 B1 FR 2416914B1 FR 7903352 A FR7903352 A FR 7903352A FR 7903352 A FR7903352 A FR 7903352A FR 2416914 B1 FR2416914 B1 FR 2416914B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0085—Use of fibrous compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87751678A | 1978-02-13 | 1978-02-13 | |
| US05/935,378 US4241193A (en) | 1978-08-21 | 1978-08-21 | Polyimides |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2416914A1 FR2416914A1 (fr) | 1979-09-07 |
| FR2416914B1 true FR2416914B1 (US06650917-20031118-M00005.png) | 1983-10-28 |
Family
ID=27128445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7903352A Granted FR2416914A1 (fr) | 1978-02-13 | 1979-02-09 | Mousses polyimides |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA1131399A (US06650917-20031118-M00005.png) |
| DE (1) | DE2903347C2 (US06650917-20031118-M00005.png) |
| FR (1) | FR2416914A1 (US06650917-20031118-M00005.png) |
| GB (1) | GB2014166B (US06650917-20031118-M00005.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0359099A3 (en) * | 1988-09-06 | 1992-04-15 | Imi-Tech Corporation | Recurable and cured cellular materials |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3726834A (en) * | 1972-07-03 | 1973-04-10 | Int Harvester Co | Thermoplastic copolyimides |
| US3793281A (en) * | 1972-07-14 | 1974-02-19 | Int Harvester Co | Thermoplastic copolyimides |
| US3966652A (en) * | 1974-11-11 | 1976-06-29 | International Harvester Company | Method of making foamed copolyimides and product obtained therefrom |
-
1979
- 1979-01-19 CA CA319,961A patent/CA1131399A/en not_active Expired
- 1979-01-29 DE DE19792903347 patent/DE2903347C2/de not_active Expired
- 1979-02-01 GB GB7903542A patent/GB2014166B/en not_active Expired
- 1979-02-09 FR FR7903352A patent/FR2416914A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2014166B (en) | 1983-02-23 |
| DE2903347C2 (de) | 1984-11-29 |
| CA1131399A (en) | 1982-09-07 |
| DE2903347A1 (de) | 1979-08-23 |
| FR2416914A1 (fr) | 1979-09-07 |
| GB2014166A (en) | 1979-08-22 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |